Trailer hitch ball



FIG. 1 is a top, rear perspective view of the trailer hitch ball of the present invention;

FIG. 2 is an enlarged front view of the trailer hitch ball of FIG. 1, the rear view being a mirror image thereof;

FIG. 3 is an enlarged left side elevational view of the trailer hitch ball of FIG. 1;

FIG. 4 is an enlarged right side elevational view of the trailer hitch ball of FIG. 1;

FIG. 5 is an enlarged top plan view of the trailer hitch ball of FIG. 1; and,

FIG. 6 is an enlarged bottom plan view of the trailer hitch ball of FIG. 1.

The broken line showing of environment is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a trailer hitch ball, as shown and described. 